[PATCH] D28985: [Builtin][ARM] Add Thumb1 support for aeabi_c{f, d}cmp.S and dcmp.S

[Renato Golin via Phabricator via llvm-commits]

rengolin added a comment.

Hi Weiming,

We have here the same problem as we had in the other patch: MRS/MSR is only available in ARMv6M. We'll have to find another way.

cheers,
--renato



================
Comment at: lib/builtins/arm/aeabi_cdcmp.S:43
+        lsls r0, #APSR_C_SHIFT
+        msr APSR, r0
+        pop {r0-r3, pc}
----------------
MSR is not available in Thumb1.


https://reviews.llvm.org/D28985